docs: def get_itasser_models(self, homology_raw_dir, custom_itasser_name_mapping=None, outdir=None, force_rerun=False):
          """Copy generated I-TASSER models from a directory to the GEM-PRO directory.
  
          Args:
              homology_raw_dir (str): Root directory of I-TASSER folders.
              custom_itasser_name_mapping (dict): Use this if your I-TASSER folder names differ from your model gene names.
                  Input a dict of {model_gene: ITASSER_folder}.
              outdir (str): Path to output directory of downloaded files, must be set if GEM-PRO directories
                  were not created initially
              force_rerun (bool): If homology files should be copied again even if they exist in the GEM-PRO directory
  
          """
          counter = 0
  
          for g in tqdm(self.genes):
              if custom_itasser_name_mapping and g.id in custom_itasser_name_mapping:
                  hom_id = custom_itasser_name_mapping[g.id]
                  if not op.exists(op.join(homology_raw_dir, hom_id)):
                      hom_id = g.id
              else:
                  hom_id = g.id
  
              # The name of the actual pdb file will be $GENEID_model1.pdb
              new_itasser_name = hom_id + '_model1'
              orig_itasser_dir = op.join(homology_raw_dir, hom_id)
  
              try:
                  itasser_prop = g.protein.load_itasser_folder(ident=hom_id, itasser_folder=orig_itasser_dir,
                                                               organize=True, outdir=outdir,
                                                               organize_name=new_itasser_name,
                                                               force_rerun=force_rerun)
              except OSError:
                  log.debug('{}: homology model folder unavailable'.format(g.id))
                  continue
              except IOError:
                  log.debug('{}: homology model unavailable'.format(g.id))
                  continue
  
              if itasser_prop.structure_file:
                  counter += 1
              else:
                  log.debug('{}: homology model file unavailable, perhaps modelling did not finish'.format(g.id))
  
          log.info('Completed copying of {} I-TASSER models to GEM-PRO directory. See the "df_homology_models" attribute for a summary dataframe.'.format(counter))